Aliasing error and Bandwidth as data transmission rate

Q.  Aliasing refers to
- Published on 12 Oct 15

a. Sampling of signals less than at Nyquist rate
b. Sampling of signals greater than at Nyquist rate
c. Sampling of signals at Nyquist rate
d. None of the above

ANSWER: Sampling of signals less than at Nyquist rate
 
Aliasing refers to the sampling of signals less than at Nyquist rate. Nyquist rate states that the rate of sampling of signal should be greater than or equal to twice the bandwidth of the modulating signal. Aliasing is reduced if the sampling is done at higher rate than nyquist rate of sampling.

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